Trafficjamhasbeenaproblemsharedbyallcountriesaroundtheworld.Inrecentyears,theurbanizationofChinareachesanunprecedentedlevel,whichleadstoespeciallyprominenttrafficjaminlargeandmedium-sizedcities.Theproblemoftrafficjamhasextendedfromparttoawiderange.Trafficjamnotonlyaffectstheefficiencyandqualityofuibanlife,butalsocausesaseriesofeconomicandsocialproblemslikeenvironmentalpollutionandenergydeficiency,whichgreatlyrestrictsthedevelopmentofcities.Tosolvetheproblem,well-organizedpublictransportationisindispensable.Lowticketpriceisthebasicguaranteeofpriorityofpublictransportation.Inthelongterm,wemustvigorouslydeveloprailtransportationtolessentrafficjam.